2 months ago
Hong Kong, Hong Kong or Singapore, SingaporeEntry Level / Mid Level
Responsibilities
- Lead and maintain the security architecture of cold, warm, and hot cryptocurrency wallets.
- Standardize the full lifecycle of private-key generation, storage, usage, backup, and destruction in alignment with FIPS 140-2/3.
- Manage security policies, permission grading, and isolation for MPC wallets and multi-signature smart contracts.
- Conduct disaster-recovery drills to address single points of failure, permission abuse, and internal malicious risks.
- Operate and security-harden full nodes and RPC interfaces for BTC, ETH, and TRON.
- Defend blockchain nodes and interfaces against node hijacking, Sybil attacks, unauthorized access, and related threats.
- Audit business-system interactions with external smart contracts, including USDT, USDC, and DEXs.
- Identify, prevent, assess, and remediate on-chain vulnerabilities such as approval phishing and reentrancy attacks.
Requirements
- Bachelor’s degree or above in Computer Science, Cybersecurity, Cryptography, Software Engineering, Blockchain, or a related field.
- One to three years of working experience in Web3 or blockchain security.
- Knowledge of cryptography principles, public- and private-key management, encrypted storage, FIPS 140-2/3 standards, and cold/hot wallet architecture.
- In-depth knowledge of MPC, TSS threshold signatures, and on-chain multi-signature mechanisms.
- Hands-on experience with permission control, disaster-recovery drills, and risk investigation.
- Knowledge of BTC, ETH, and TRON underlying systems, including public-chain node operation, RPC security hardening, and on-chain attack prevention.
- Ability to independently conduct smart-contract interaction security audits, risk assessments, and remediation.
- Strong security risk awareness, responsibility, attention to detail, and understanding of digital-asset and private-key security.
- Experience in wallet security at large platforms is preferred.
Benefits
- Work cross-functionally with relevant teams on implementations intended to improve customer experience.
- Join a fast-growing organization expanding beyond APAC with opportunities for career advancement.
- Work in a culture that welcomes data-backed ideas and meaningful changes.
Tech Stack
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